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Verruca Mt. (Verruca Mt quartz veins system), Calci, Monti Pisani, Pisa Province, Tuscany, Italy
Monte Verruca, Calci, Pisa, Toscana, ItaliaThese mountains are constituted of metamorphic rocks, part of them are of Paleozoic age, the rest are Mesozoic rocks. During the Tertiary tectono-metamorphic event, Monti Pisani metamorphic complex suffered deformation and metamorphism to the greenschist facies with the formation of some important quartz extension veins system. The most important systems are hosted in competent Triassic lithotypes ("Anageniti minute", "Quarziti verdi" and "Quarziti bianco-rosa" formations) and they are distributed coherently along the hinge of the main anticlinal folds F1. Other veins are shear veins associated with shear zones (sin-D2, sinD1) and polydeformed veins hosted into the paleozoic basement. The most important quartz veins systems are:
1) Mt. Cascetto-Costa Moriglione System;
2) Mt. Verruca System;
3) Vorno valley System;
4) San Giuliano Terme System.
Mineral List
| Anhydrite | 'Chlorite Group' | Quartz | Quartz var: Smoky Quartz |
4 entries listed. 2 valid minerals.
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References
- Manasse E. (1906): Contribuzioni alla mineralogia della Toscana. Ripidolite di Calci e della Verruca (afrosiderite di A. D’Achiardi). Atti Soc. Tosc. Sci. Nat., Proc. Verb., 15: 29-31.
- Dini A., Orlandi P., Protano G., Riccobono F. (1998): Le vene di quarzo del complesso metamorfico dei Monti Pisani (Toscana): caratterizzazione strutturale, mineralogia ed inclusioni fluide.
- Orlandi P. (2005). "Geositi minerari e mineralogici della provincia di Pisa" in La geologia della provincia di Pisa. Cartografia, geositi e banche dati, pp. 55-280, Provincia di Pisa, 2005
- Dini A., Orlandi P., Protano G., Riccobono F. (1998): Le vene di quarzo del complesso metamorfico dei Monti Pisani (Toscana): caratterizzazione strutturale, mineralogia ed inclusioni fluide.
- Orlandi P. (2005). "Geositi minerari e mineralogici della provincia di Pisa" in La geologia della provincia di Pisa. Cartografia, geositi e banche dati, pp. 55-280, Provincia di Pisa, 2005
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